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cos^(-1)(cos""(7pi)/(6)) is equal to...

`cos^(-1)(cos""(7pi)/(6))` is equal to

A

`(7pi)/(6)`

B

`(5pi)/(6)`

C

`(pi)/(3)`

D

`(pi)/(6)`

Text Solution

Verified by Experts

The correct Answer is:
B
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  7. tan^-1 (1/sqrt3)-cot^-1 (-1/sqrt3) is equal to :

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  12. Find the value of sin^(-1)(sin""(2pi)/(3))

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  16. Prove that sin^(-1)""(3)/(5)+sin^(-1)""(4)/(5)=(pi)/(2)

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  17. Prove that cos^(-1)""(3)/(5)+cos^(-1)""(4)/(5)=(pi)/(2)

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